Just going to leave this here... psion.community #Psion #RetroComputing

Of course my #psion 5mx runs #doom

Day 4: nostalgia My collection of Psion PDAs from the 19080s and 1990s. I also had a Revo, but that died years ago…. #mbjune #psion #retrocomputing 📷

Revisiting my trip across Canada got me pining for my old Psion 5mx. Remember PDAs, back in the days before smartphones? Well, as a writer, this one stood above the rest. But can I find a modern equivalent? www.noahchinnbooks.com/2025/06/11/r... #retrotech #retro #psion #oldisnew #handheld #portable

Isn't she lovely? #Psion

After looking at this Psion 5mx I went for a hoke for others. Kinda surprised me, were tucked away all over the place. Bottom left and bottom right were mine from new. I think the others were bought for parts or repair but were never looked at. I think I have a 3 somewhere also, with the wee screen?

Mind you, here is something close to peak UI strategy... still love these things! Don't have to talk to 'em; they don't talk back... #Psion

Brilliant write-up of a brilliant project, and the power of #Nerdsniping: @colinhoad.com has made an OPL Language Server for programming #Psion handheld computers! With due credit to the persuasive powers of @thelastpsion.com www.theregister.com/2025/08/27/v...

Guilty as charged. 😁

Well, here's a turn-up for the books: yours truly being featured in an article on El Reg! It's all @thelastpsion.com's fault, of course 😆

On language servers, refactoring code and the joy of Pascal www.colinhoad.com/getting-into...

256! Luxury! wuffs.org/blog/buildin... Who can I at here? Oh hello @thelastpsion.com. I loved my Series 3a and 5mx, and still have them somewhere

Got myself an upgrade for my #HaikuOS box - a Lenovo Tiny M75q gen 2 with a Ryzen 5 Pro 4650GE and 32GB RAM. It's not the fastest processor in the world, butPassMark says it's almost 3 times faster than the M93p with a Xeon 1275Lv3. Let's see how it performs compiling #MAME.

New RP2350 stepping just dropped, E9 fixed. www.raspberrypi.com/news/rp2350-...

The #Lazarus_IDE for #Free_Pascal has been released in version 4.2. This bugfix release has been built with FPC 3.2.2. #Pascal #programming www.lazarus-ide.org

The #ChambersBeneath is out today! Delve into the dungeons to battle monsters, gather loot, and search for an important treasure for the ruler of the city. Runs on the original IBM PC and compatibles, on DOSBox, and on Windows. cyningstan.itch.io/the-chambers... #ibmpc #msdos #cga

If you do something weird on the Internet and people ask you why you did it because they don’t understand it and they think it’s weird, the correct answer is “because it’s awesome and it’s a delight and it makes me happy.” The best part is, they don’t have to do it.

Hello BlueSky! And let's make our first post about one of our great events - The Amiga at 40. Come and join us for a weekend of fun, with great exhibitions from throughout the scene for a weekend of celebrating all things Amiga. See you there! www.computinghistory.org.uk/det/73894/Th...

This little machine comes into its own during the summer months, when natural light is at its brightest. I'm using it a lot to playtest The #ChambersBeneath. #hp100lx #hp200lx #cga

Here's a preview of something coming soon to MAME!

It my attempt to document all the failings of Intel, it's time to talk about Intel's attemp to make a general purpose RISC cpu. It did not go well. youtu.be/WTkFGZqVCM8

Haiku is becoming an easier platform for software porters: https://distrowatch.com/dwres.php?resource=showheadline&story=20010

#NetBSD people! I need some help. (Boosts welcome!) I'm trying to update the port of an old piece of software (#plptools), but I'm having issues with linking it to readline. Do you have any advice at all? The GitHub issue is here: github.com/plptools/plp... #runbsd #bsd

Some #Psion news! #plptools, the open source suite of programs for transferring files to and from #EPOC16 and #EPOC32 devices, has some additional maintainers... including me! #retrocomputing

Warm up exercise. Check the batteries on my Psions. I am considering using the 5 more, rather than my phone. At the very least it’ll be a conversion starter.

What's the best #ZXSpectrum SD card interface right now? I've seen plenty of mentions of the DivMMC and its derivatives (EnJOY, Future). I've also seen the Retroleum SMART Card. But I can't find any comparisons. I'd love to know about people's experiences. #Sinclair #retrocomputing

FYI fediverse users, I just migrated to chaos.social/@polpo - I mostly cross post everything between Bluesky and Mastodon so there's not much difference in where you follow me but I thought I'd mention it here anyway!

The spy history of the original #Psion Organiser. youtu.be/4W5jueRxvDA #retrocomputing

I love my Acorn retro computer collection! Have a real soft spot for that green logo... - Acorn Pocket Book - Acorn Archimedes A3010 - Acorn Electron

I am a DT teacher in a school. My colleagues and I sometimes play School Wars. We imagine that each dept. has to fight each other. We have plenty of tools and we could easily take out History and RS. Science is tricky as they could use chemicals. P.E scare the crap out of us.

Welcome to the world of... the Psion! youtu.be/L3DqruohP3I

Hello new followers! I’m Adrian, curator of crusty curiosities at Binary Dinosaurs. You may know me from such bangers as ‘that smells like a RIFA, where did they manage to hide that?!’ and ‘great, beneath everything needing a complete cabinet stripdown 😬’ Yes, CPT, I’m looking at you.

Working on the mechtrum plus and tweaked the layout for a full size spectrum board and messing with some support for the keyboard.

This is a Sinclair ZX Spectrum prototype. It was found in 2019 during a visit to 'Nine Tiles', the company that wrote the development software for the Spectrum. It is now on display at the Centre for Computing History in Cambridge. Such an important part of British computing history.

So, clarifying the WH Smith situation (at least in my head): - WHS are only selling off the high street shops to Hobbycraft. - They're not selling the name. Hence the rebrand. - WHS will keep going in "travel", i.e. railway stations, airports, motorway services.

HIVEMIND: In the early 90s (maybe even late 80s?) we had a small, red machine called "Solve-It". It was a maths tester like a Speak & Math, with a speech synthesiser. When It started up, it played 4 notes and said "Solve It Level 1". I've scoured the internet and I can't find any mention anywhere.

Holy crap, it's soldered. After what felt like an eternity heating the board super-gently with the hot air gun on its lowest speed and its fattest nozzle, I'm really pleased with this result. Now the big question is: will it program? 🙏

Update on the 4MB #Psion 3mx. The hardware can definitely see the extra RAM, and I can write to it. But #EPOC16 no likey. Current guess is that the ramdrive driver doesn't like more than 2MB RAM. oldbytes.space/@thelastpsio... #retrocomputing

Thoughts on easing myself back into some Psion projects, a thread. Eating the elephant one bite at a time. oldbytes.space/@thelastpsio...

Ok, hear me out. A Lord of the Rings re-make, but with these two taking the One Ring to Mordor:

Taking apart Spectrum Elite has entered the 3D phase of things; and you can see how it starts to diverge from the original 6502 versions (as mentioned by Ric Pinto in Retro Gamer). That's the main loop more or less sorted, but lots of documenting left to do. Good fun though.

Quick question: Who here is into #retrocomputing more than #retrogaming? I get why retro gaming is a bigger community, but I want to hear from the people who are into the non-gaming side of vintage computing!

I'm back to using these, and I'm not even joking. Only part of it is about the retro; most of it is because they're not crammed with distractive shite that gets in the way of Getting Stuff Done. #Psion

As I said... Working! #psion #cyberdeck

You’ve got a #Psion #Series5. Do you save it or swap it? If saving, then why? If swapping, then for what? #RetroSaveOrSwap #RetroComputing #ComputerHistory #VintageComputing

We are VERY excited to announce our first major retro event - RetroFest 2025, to be held at STEAM, the GWR museum in Swindon on 31st May / 1st June. Over 40 exhibitors will be bringing a vast range of computers from the 70s, 80s and 90s. More info - retrofest.uk

Couldn't possibly relate to this. Nope. 👀

"No income tax, no VAT, no money back, no guarantee."

HIVEMIND: Are there any good guides for designing flex PCBs in #KiCad? Thinking about trying my hand at recreating some Psion Series 3 screen ribbon cables.